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Honda Accord VCM

2179 messages,  Last post on Nov 19, 2009 at 8:41 AM

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What is this discussion about? Honda Accord, Transmission, Sedan


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#2087 of 2179
Re: VCM discussion [dpmeersman] by yuka
Apr 03, 2009 (9:00 am)
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Replying to: dpmeersman (Apr 03, 2009 8:41 am)

Oh - I knew - what shame though - those low cowl designs were great. How many pedestrians have you hit? I have been driving 43 years/1,000,000+ miles and haven't hit one yet. Stupid laws.
#2088 of 2179
Re: VCM discussion [yuka] by thegraduate
Apr 03, 2009 (9:36 am)
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Replying to: yuka (Apr 03, 2009 9:00 am)

Having been on an urban campus for three and a half years (U. of Alabama at Birmingham), I hear of about one car meets pedestrian accident per semester. Only one has been fatal though.
#2089 of 2179
VCM Annoyed by elliott2
Apr 05, 2009 (4:04 am)
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Replying to: thegraduate (Apr 03, 2009 9:36 am)

We just had the active noise cancellation model replaced on our 2008 V6L-NAV. You can still hear (and feel) the affect of the misfiring cylinders, particularly at 25, 35, and 45 mph. The vibration is not as bad on the highway at higher speeds, of course, that's after all 4 wheels were balances for the third time. It's going back in for the noise. The driver and passengers should not be able to hear the sound of the misfiring cylinders.
 
The VCM engine with the 5 speed automatic transmission is a bad combination. There are many time when driving around town that the car is outright annoying as the transmission shits up too early and the engine has switched to a lower number number of cylinders, causing the sensation that the engine is hesitating and doesn't have enough power. Other times, it feels like the engine is stalling out.
 
The Honda factory rep avoided the topic of the sloshing sound from the gas tank; I've have never had a car that did that after 40 years of driving. Just took the car to one of the major insurance companies safety lab and they found that the baffles in the gas tank appear to have moved from their original fasteners in the tank. The result is that when there is more than 3/4th of a tank of gas, the gas not only sloshes but the weight of the gas moving causes the car to move slightly when you're stopping, almost like another car just slightly bumped you from behind.
 
Counting the days to get rid of this car. It's great looking inside and out; love the handling (with the exception of the engine and the transmission). Until the problems with the VCM can be reduced (there's obviously a quality control issue when a large enough number of drivers are complaining at various websites).
 
One final note: Honda needs to re-focus on quality. If you've looked at the latest rankings of cars, you'll notice that Honda is slipping from its previous rankings (the exception seems to be the Civic, which continues to rated very high). Accord is quickly becoming an "also ran".
#2090 of 2179
Re: VCM Annoyed [elliott2] by jhinsc
Apr 05, 2009 (5:29 pm)
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Replying to: elliott2 (Apr 05, 2009 4:04 am)

The driver and passengers should not be able to hear the sound of the misfiring cylinders.
 
Elliot, I know you're unhappy with your Accord, but how exactly are the cylinders misfiring? Whether it's running on 6, 4, or 3, they're all firing as Honda intended to. Honda didn't make a mistake, they designed it that way. I love the fact when I'm cruising down the road on 3 cyl's because I'm getting great mpg's. My 08 V6 runs beautifully and now is exceeding my average mpg's over my previous 06 V6. My 08 doesn't run the same as the 06 did, but it wasn't designed or intended to. As for the noise problem you're having, could it possibly be subjective? I can 'hear' and 'feel' it when in 3 cyl mode but it's not annoying - for me it's better than having the louder 4 cyl all the time. I don't hear any sloshing in my gas tank so maybe you have a problem there. Have to ask; sure you don't have anything in the trunk?
#2091 of 2179
VCM Annoyed [jhinsc] by elliott2
Apr 06, 2009 (1:20 am)
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Replying to: jhinsc (Apr 05, 2009 5:29 pm)

Sorry, I used "misfiring" as shorthand for not firing. Strange when you think about it: a engine that is designed to not fire all cylinders with liquid-filled, computer-controlled engine mounts, coupled with an active noise cancellation system that's designed to cover it all up. I don't believe the noise and vibration is subjective, the engine/transmission is either working as designed with no problem or, as is more likely the case, there is one component that is not working exactly as designed, causing the noise and vibration. Each time I've taken the care in, I've gotten a different mechanic (all the way up to the service manager) and their first reaction when they drive the car is, "what the hel! is that noise?". One of the mechanics stopped the car to look in the trunk to see if there was anything in it that was causing the sloshing and movement sensation. We went back and tried several other new cars off the lot and found (unscientific sampling) that about 2 out of 3 had the sloshing going on. As I stated on my earlier post, Honda has developed a quality issue with the Accord (note that Consumer Reports has lowered its rating on reliability on the 2008 Accord from prior model years.)
#2092 of 2179
Re: VCM Annoyed [elliott2] by jhinsc
Apr 06, 2009 (6:31 am)
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Replying to: elliott2 (Apr 06, 2009 1:20 am)

Well the good news is Honda isn't looking at you like you have 2 heads - LOL! But seriously, it sounds like you have several problems with your Accord that does not seem to prevalent among all V6's. The only thing I have a concern with is reading reports of premature rear brake wear. It is what it is, but I swear if I take it in for an oil change and the service guys tell me I need new rear brakes, I'll quietly but firmly tell them and the sales manager together that if I have to pay for replacement, it will create serious reservations about purchasing another Honda. Since they're the only game in town for Honda, I'm sure they will at least listen to me carefully and hopefully make the right decision. Who knows, I may not even have any problems with it, but it seems to be an ongoing problem with the 08's. Good luck to you.
#2093 of 2179
Re: VCM Annoyed [elliott2] by jmillerjmiller
Apr 06, 2009 (7:53 pm)
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Replying to: elliott2 (Apr 05, 2009 4:04 am)

Mine has a high speed shimmy in the steering wheel (a rapid, but small left to right movement in the steering wheel). Its been there since day one, after the two new tires and three road force balances it is very minor in amplitude, but if you know what to look for it is still there at various highway speeds. At this point if I complain again I will get the - normal road vibration - diagnosis. When it is time to rotate the wheels this will become a problem again, but it won't be under warranty for tire work anymore. I may resort to adding some ceramic balance beads inside the tire in addition to the road force balance. The wide wheels exacerbate lateral imbalance issues, and the cars suspension appears to be quite sensitive. I will say that the V6 demonstrator had it too, but at the time I thought it was just that particular car - I had to wait a few weeks for mine to arrive.
The VCM is too much effort for too little mileage gain in my book, but it is an integral part of the car - only way to get rid of it is to trade it. I now have around 5000 miles on the car and have noticed that at about 2500rpm it has gotten a bit of a 'droning' sound to the engine note in the front of the car.
I like the car, but it does feel like Honda is subscribing to the larger and cheaper is better school, unlike my prior Subaru which most people got sticker shock looking at what you got (size and techno toys wise) for the money.
We need to add Honda to the list of automakers where we don't by the first years model.
The old saying with domestics was that the first year they found and fixed the bugs, so the second year was more reliable, then the third year they would finally add the more powerful engine and features that the car should have had from the beginning. Then they would redesign it and start the process over. So only buy the third year of any generation car.
Brake wise, I had a 1990 Dodge Spirit ES V6 with four wheel disc brakes that only got to the mid 20K miles on each set of front brakes.
#2094 of 2179
Re: VCM Annoyed by elliott2
Apr 18, 2009 (4:00 am)
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Replying to: jmillerjmiller (Apr 06, 2009 7:53 pm)

If you also follow the Consumer Reports website on the 2008 honda accord, note that customers having the vibration problem have begun winning against hond in arbitration. Honda lost and is being ordered to repurchase the cars from the owners. To file, you must go through the BBB autoline as described in the warranty manual provided by Honda. Go get 'em!
#2095 of 2179
VCM - Torque Converter by dc10plt
Apr 20, 2009 (12:02 pm)
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I just got my 2009 EX v6. I like the car alot. I'm getting used to VCM but it isnt that bad for those that are on the fence. When VCM kicks on I can tell barely...but truth be told it isnt much. What I am however trying to figure out is the feeling that after going into VCM, it feels like it makes another transmission shift. I however note that there is NO change in RPM and the car was already in 5th gear at the time. Is this the torque converter? If so what is the purpose? It isnt intrusive or rough, just feels like after i'm crusing around 50mph and VCM kicks it shifts.
 
Only part of this VCM system that could do without is going into VCM when letting off the accelerator. It keeps the car in gear as you slow and just feels like their is strain on the drivetrain as opposed to just going to neutral like all other cars out there. Slowing through 25mph you can feel the torque converter lock up.
 
Again I'm sure this was well designed by HONDA for some reason but if anyone knows better Id love to know. I would sacrafice the extra 1mpg or whatever difference VCM makes if they would just make a mod where I could turn off VCM. When the car is cold in the morning and drive around..the car drives so great! Even with VCM..it drives fine but I just notice very little nitnoid stuff such as posted before.
 
Otherwise I have no shimmy issues and my car is registering great mileage. ~25mpg average. Knowing what I know now..Id still by the V6 as the I4 doesn't have the power or good gas mileage anymore comparatively speaking. The only other car I would consider is the TL but that is much more money wise. I still feel the accord offers the best bang for the buck value and looks great. I'm sure HONDA tested VCM out and that my car will last for many worry free years.
#2096 of 2179
Re: VCM - Torque Converter [dc10plt] by dpmeersman
Apr 20, 2009 (12:45 pm)
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Replying to: dc10plt (Apr 20, 2009 12:02 pm)

"Only part of this VCM system that could do without is going into VCM when letting off the accelerator. It keeps the car in gear as you slow and just feels like their is strain on the drivetrain as opposed to just going to neutral like all other cars out there. Slowing through 25mph you can feel the torque converter lock up. "
 
Sounds like your experiencing the Grade Logic Control of the 5 spd auto tranny. It does fly in the face of convention that the VCM indicator light stays on as your engine breaking on a downhill incline causing the engine to rev higher then if you were coasting in a higher gear. There are times I feel this feature achieves it's intended goal and times that I wish it would allow for a more efficient coast. It's a smart tranny but nothing can take the place of the human brain and a manual shifter or automated paddle shifter tranny. Like everything else the Accord is built to a price point and remains first and foremost a family sedan, and a fine one at that.

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